Bad Odor Air Sponge, Eliminates The Odor Molecule With It's Exclusive Patented Formula, It Has Been Used In Industry Since 1953, & Is Now Available To The Consumer, It Adsorbs Surface Odors, Captures Airborne Odors & Withdraws Odor Causing Molecules From Curtains, Carpets & Furniture, It Is A Non-Toxic Odor Remover & Safe For Use Around Pets, Bad Air Sponge Will Remove Odors For 30 To 150 Days, The Sponge Will Eliminate Odors From Rooms Up To 400 SQFT.